Astronomy Picture of the Day ·

The Case of the Missing Aurora

The Astronomy Picture of the Day for October 21, 1998 is “The Case of the Missing Aurora,” an image. It is credited to Credit: J. P. Dwyer. The original explanation runs about 74 words.

The Case of the Missing Aurora
Credit: J. P. Dwyer Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Sometimes, near midnight, auroras suddenly stop . Nobody knows why.”

— APOD editors, October 21, 1998

Read the full explanation on science.nasa.gov

At a glance

Date
October 21, 1998
Type
Image
Credit
Credit: J. P. Dwyer
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 74 words

All of October 1998 → · 1998 by month → · Full archive since 1995 →

Topics in this entry

Auroras

Topics are matched from words in the title and explanation.

On this day: October 21 in other years

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.